The SanDisk Extreme 64GB UHS-I U3 SDXC Memory Card #SDSDXV2-064G-GUCIN costs $0.5322/GB while the Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) costs $0.1224/GB. Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) offers 77% better value per gigabyte as of April 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SanDisk Extreme 64GB UHS-I U3 SDXC Memory Card #SDSDXV2-064G-GUCIN vs Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) — Which Is Better Value?
Specification Comparison
| Spec | SanDisk Extreme 64GB UHS-I U3 SDXC Memory Card #SDSDXV2-064G-GUCIN | Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) |
|---|---|---|
| Brand | SanDisk | Silicon Power |
| Capacity | 64GB | 128GB |
| $/GB | $0.5322 | $0.1224 |
| Price | $34.06 | $15.67 |
| Retailer | Newegg | Newegg |
| Category | SD Cards | SD Cards |
| Subcategory | sd | sd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) offers better value at $0.1224//GB compared to the SanDisk Extreme 64GB UHS-I U3 SDXC Memory Card #SDSDXV2-064G-GUCIN at $0.5322//GB — that's roughly 77% less per gigabyte.
The best deal for the Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) is $15.67 at Newegg, while the SanDisk Extreme 64GB UHS-I U3 SDXC Memory Card #SDSDXV2-064G-GUCIN starts at $34.06 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each SanDisk Extreme 64GB UHS-I U3 SDXC Memory Card #SDSDXV2-064G-GUCIN and Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) product page for detailed specifications and price history.
Frequently Asked Questions
Is SanDisk Extreme 64GB UHS-I U3 SDXC Memory Card #SDSDXV2-064G-GUCIN or Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) a better deal?
As of April 2026, Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) offers better value at $0.1224//GB compared to SanDisk Extreme 64GB UHS-I U3 SDXC Memory Card #SDSDXV2-064G-GUCIN at $0.5322//GB. That is approximately 77% better value per gigabyte.
What is the price per GB of SanDisk Extreme 64GB UHS-I U3 SDXC Memory Card #SDSDXV2-064G-GUCIN?
The SanDisk Extreme 64GB UHS-I U3 SDXC Memory Card #SDSDXV2-064G-GUCIN is currently priced at $0.5322/GB ($34.06 for 64GB) at Newegg.
Where can I buy Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) for the cheapest price?
The cheapest price for the Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10) is $15.67 at Newegg, which works out to $0.1224/GB.